Springfield® XD-S® 4" Single Stack 9mm Semi-automatic Handgun
The XD-S 4.0" Single Stack turns Springfield Armory®'s single stack XD-Splatform into a mid-sized pistol -- giving it unparalleled versatility. The sub-compact frame extends to full-size length when you insert an X-TensionTM magazine, adding capacity and controllability for your time at the range. Use a flush fitting magazine for concealed carry and you'll forget it's there.
Choosing a multi-purpose handgun doesn't have to be a series of compromises anymore. Put an XD-S 4.0" Single Stack in your hand today, and you'll want to shoot it. Put it in your holster, and you'll find that it's Noticeably Unnoticeable.TM